답안 #360134

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
360134	2021-01-27T14:12:36 Z	Sho10	경주 (Race) (IOI11_race)	C++17	100 / 100	1291 ms	136328 KB

race

#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#include "race.h"
#define ll long long
#define double long double
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define aint(a) (a).begin(), (a).end()
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define MAXN 100005
#define INF 1000000005
#define LINF 1000000000000000005ll
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll ans=LINF,k;
vector<pair<ll,ll>>g[200005];
map<ll,ll>d,dist;
set<pair<ll,ll>>s[200005];
void dfs(ll node,ll par){
s[node].insert(mp(dist[node],d[node]));
for(auto it : g[node]){
	if(it.f==par){
		continue;
	}
	dist[it.f]=dist[node]+it.s;
	d[it.f]=d[node]+1;
	dfs(it.f,node);
	if(s[node].size()<s[it.f].size()){
		swap(s[node],s[it.f]);
	}
	for(auto it1 : s[it.f]){
		auto pos=s[node].lower_bound(mp(k-it1.f+2*dist[node],0ll));
		if(pos!=s[node].end()&&pos->f+it1.f-2*dist[node]==k){
			//cout<<it1.s<<' '<<pos->s<<' '<<2*d[node]<<endl;
			ans=min(ans,it1.s+pos->s-2*d[node]);
		}
	}
	for(auto it1 : s[it.f]){
		s[node].insert(it1);
	}
}
}
int best_path(int n,int K,int h[][2],int l[]){
for(ll i=0;i<n-1;i++)
{
	g[h[i][0]].pb(mp(h[i][1],l[i]));
	g[h[i][1]].pb(mp(h[i][0],l[i]));
}
k=K;
dfs(0,-1);
if(ans==LINF){
	ans=-1;
}
return ans;
}
/*
int32_t main(){
CODE_START;
int a[5][2];
a[0][0]=0;
a[0][1]=1;
a[1][0]=0;
a[1][1]=2;

int nr[4];
nr[0]=1;
nr[1]=2;
nr[2]=4;
cout<<best_path(3,3,a,nr)<<endl;
}
* */

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	14444 KB	Output is correct
2	Correct	9 ms	14444 KB	Output is correct
3	Correct	9 ms	14444 KB	Output is correct
4	Correct	10 ms	14572 KB	Output is correct
5	Correct	10 ms	14444 KB	Output is correct
6	Correct	10 ms	14444 KB	Output is correct
7	Correct	11 ms	14444 KB	Output is correct
8	Correct	10 ms	14444 KB	Output is correct
9	Correct	10 ms	14444 KB	Output is correct
10	Correct	10 ms	14444 KB	Output is correct
11	Correct	10 ms	14444 KB	Output is correct
12	Correct	10 ms	14444 KB	Output is correct
13	Correct	10 ms	14444 KB	Output is correct
14	Correct	10 ms	14444 KB	Output is correct
15	Correct	10 ms	14444 KB	Output is correct
16	Correct	10 ms	14444 KB	Output is correct
17	Correct	10 ms	14592 KB	Output is correct
18	Correct	10 ms	14444 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	14444 KB	Output is correct
2	Correct	9 ms	14444 KB	Output is correct
3	Correct	9 ms	14444 KB	Output is correct
4	Correct	10 ms	14572 KB	Output is correct
5	Correct	10 ms	14444 KB	Output is correct
6	Correct	10 ms	14444 KB	Output is correct
7	Correct	11 ms	14444 KB	Output is correct
8	Correct	10 ms	14444 KB	Output is correct
9	Correct	10 ms	14444 KB	Output is correct
10	Correct	10 ms	14444 KB	Output is correct
11	Correct	10 ms	14444 KB	Output is correct
12	Correct	10 ms	14444 KB	Output is correct
13	Correct	10 ms	14444 KB	Output is correct
14	Correct	10 ms	14444 KB	Output is correct
15	Correct	10 ms	14444 KB	Output is correct
16	Correct	10 ms	14444 KB	Output is correct
17	Correct	10 ms	14592 KB	Output is correct
18	Correct	10 ms	14444 KB	Output is correct
19	Correct	9 ms	14444 KB	Output is correct
20	Correct	10 ms	14456 KB	Output is correct
21	Correct	13 ms	14828 KB	Output is correct
22	Correct	12 ms	14848 KB	Output is correct
23	Correct	12 ms	14828 KB	Output is correct
24	Correct	12 ms	14828 KB	Output is correct
25	Correct	11 ms	14828 KB	Output is correct
26	Correct	12 ms	14828 KB	Output is correct
27	Correct	13 ms	14844 KB	Output is correct
28	Correct	12 ms	14828 KB	Output is correct
29	Correct	13 ms	14828 KB	Output is correct
30	Correct	12 ms	14828 KB	Output is correct
31	Correct	11 ms	14828 KB	Output is correct
32	Correct	12 ms	14828 KB	Output is correct
33	Correct	12 ms	14956 KB	Output is correct
34	Correct	12 ms	14828 KB	Output is correct
35	Correct	11 ms	14828 KB	Output is correct
36	Correct	11 ms	14828 KB	Output is correct
37	Correct	11 ms	14828 KB	Output is correct
38	Correct	13 ms	14956 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	14444 KB	Output is correct
2	Correct	9 ms	14444 KB	Output is correct
3	Correct	9 ms	14444 KB	Output is correct
4	Correct	10 ms	14572 KB	Output is correct
5	Correct	10 ms	14444 KB	Output is correct
6	Correct	10 ms	14444 KB	Output is correct
7	Correct	11 ms	14444 KB	Output is correct
8	Correct	10 ms	14444 KB	Output is correct
9	Correct	10 ms	14444 KB	Output is correct
10	Correct	10 ms	14444 KB	Output is correct
11	Correct	10 ms	14444 KB	Output is correct
12	Correct	10 ms	14444 KB	Output is correct
13	Correct	10 ms	14444 KB	Output is correct
14	Correct	10 ms	14444 KB	Output is correct
15	Correct	10 ms	14444 KB	Output is correct
16	Correct	10 ms	14444 KB	Output is correct
17	Correct	10 ms	14592 KB	Output is correct
18	Correct	10 ms	14444 KB	Output is correct
19	Correct	414 ms	55020 KB	Output is correct
20	Correct	390 ms	54984 KB	Output is correct
21	Correct	391 ms	54400 KB	Output is correct
22	Correct	394 ms	52972 KB	Output is correct
23	Correct	447 ms	67524 KB	Output is correct
24	Correct	403 ms	53492 KB	Output is correct
25	Correct	441 ms	60416 KB	Output is correct
26	Correct	222 ms	67052 KB	Output is correct
27	Correct	498 ms	77720 KB	Output is correct
28	Correct	928 ms	120044 KB	Output is correct
29	Correct	938 ms	117944 KB	Output is correct
30	Correct	482 ms	77804 KB	Output is correct
31	Correct	489 ms	77548 KB	Output is correct
32	Correct	877 ms	77676 KB	Output is correct
33	Correct	794 ms	79472 KB	Output is correct
34	Correct	972 ms	112620 KB	Output is correct

Subtask #4
57.0 / 57.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	14444 KB	Output is correct
2	Correct	9 ms	14444 KB	Output is correct
3	Correct	9 ms	14444 KB	Output is correct
4	Correct	10 ms	14572 KB	Output is correct
5	Correct	10 ms	14444 KB	Output is correct
6	Correct	10 ms	14444 KB	Output is correct
7	Correct	11 ms	14444 KB	Output is correct
8	Correct	10 ms	14444 KB	Output is correct
9	Correct	10 ms	14444 KB	Output is correct
10	Correct	10 ms	14444 KB	Output is correct
11	Correct	10 ms	14444 KB	Output is correct
12	Correct	10 ms	14444 KB	Output is correct
13	Correct	10 ms	14444 KB	Output is correct
14	Correct	10 ms	14444 KB	Output is correct
15	Correct	10 ms	14444 KB	Output is correct
16	Correct	10 ms	14444 KB	Output is correct
17	Correct	10 ms	14592 KB	Output is correct
18	Correct	10 ms	14444 KB	Output is correct
19	Correct	9 ms	14444 KB	Output is correct
20	Correct	10 ms	14456 KB	Output is correct
21	Correct	13 ms	14828 KB	Output is correct
22	Correct	12 ms	14848 KB	Output is correct
23	Correct	12 ms	14828 KB	Output is correct
24	Correct	12 ms	14828 KB	Output is correct
25	Correct	11 ms	14828 KB	Output is correct
26	Correct	12 ms	14828 KB	Output is correct
27	Correct	13 ms	14844 KB	Output is correct
28	Correct	12 ms	14828 KB	Output is correct
29	Correct	13 ms	14828 KB	Output is correct
30	Correct	12 ms	14828 KB	Output is correct
31	Correct	11 ms	14828 KB	Output is correct
32	Correct	12 ms	14828 KB	Output is correct
33	Correct	12 ms	14956 KB	Output is correct
34	Correct	12 ms	14828 KB	Output is correct
35	Correct	11 ms	14828 KB	Output is correct
36	Correct	11 ms	14828 KB	Output is correct
37	Correct	11 ms	14828 KB	Output is correct
38	Correct	13 ms	14956 KB	Output is correct
39	Correct	414 ms	55020 KB	Output is correct
40	Correct	390 ms	54984 KB	Output is correct
41	Correct	391 ms	54400 KB	Output is correct
42	Correct	394 ms	52972 KB	Output is correct
43	Correct	447 ms	67524 KB	Output is correct
44	Correct	403 ms	53492 KB	Output is correct
45	Correct	441 ms	60416 KB	Output is correct
46	Correct	222 ms	67052 KB	Output is correct
47	Correct	498 ms	77720 KB	Output is correct
48	Correct	928 ms	120044 KB	Output is correct
49	Correct	938 ms	117944 KB	Output is correct
50	Correct	482 ms	77804 KB	Output is correct
51	Correct	489 ms	77548 KB	Output is correct
52	Correct	877 ms	77676 KB	Output is correct
53	Correct	794 ms	79472 KB	Output is correct
54	Correct	972 ms	112620 KB	Output is correct
55	Correct	39 ms	19308 KB	Output is correct
56	Correct	33 ms	18028 KB	Output is correct
57	Correct	207 ms	49916 KB	Output is correct
58	Correct	168 ms	40156 KB	Output is correct
59	Correct	216 ms	67052 KB	Output is correct
60	Correct	894 ms	118508 KB	Output is correct
61	Correct	528 ms	83512 KB	Output is correct
62	Correct	467 ms	77676 KB	Output is correct
63	Correct	866 ms	77640 KB	Output is correct
64	Correct	1022 ms	136328 KB	Output is correct
65	Correct	1076 ms	127668 KB	Output is correct
66	Correct	974 ms	113280 KB	Output is correct
67	Correct	639 ms	67540 KB	Output is correct
68	Correct	1040 ms	92132 KB	Output is correct
69	Correct	1291 ms	97752 KB	Output is correct
70	Correct	956 ms	88676 KB	Output is correct

답안 #360134

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 12.0 / 12.0

Subtask #3 22.0 / 22.0

Subtask #4 57.0 / 57.0

Subtask #1
9.0 / 9.0

Subtask #2
12.0 / 12.0

Subtask #3
22.0 / 22.0

Subtask #4
57.0 / 57.0